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Maintaining Timber Windows

A well-maintained and maintained timber window repair specialists is a significant element of the historic fabric of a building. It reflects, in various degree the materials and technologies of the time in which it was made, the architectural style and craftsmanship.

Whenever possible repairs to existing windows are required, they should be carried out in situ. Repairing the worst areas of decay can be accomplished by using specialized resin-based systems.

Durability

Timber windows were built to last hundreds of years. They require regular maintenance to keep them looking great. Maintenance tasks include repairs to sash cords, retightening of pulleys for sash and painting. There is a growing need for upgrading timber windows to increase energy efficiency. This may include replacing old glazing units, repairing the window rebates that are in place or installing new cills for improved air seal.

A key problem with traditional windows is damage caused by corrosion of the paintwork. This is particularly important when sash windows are concerned, as the gaps between sashes can often be quite large. In these situations, water can penetrate the paint film and cause rotting of the putty as well as the wood beneath. The rotting process can be made worse by poor weather conditions. To stop this from happening, windows need to be regularly painted with an exterior wood paint.

In addition to repainting, areas that have corroded should be repaired with the help of a resin-based repair solution. This will ensure that the highest possible amount of the original fabric is retained. It is also essential to reduce the number of holes drilled into the frame to allow cable entry, as they could admit water and lead to decay.

Another issue with older windows is structural movement in the wall that can cause deformation of the frame and the sash. This can lead to the sash not fitting properly and jamming or sticking to the opening, and damaged glazing. This can be fixed frequently by putting in new sash frames made of slow-growing deal (pine) or oak. The cill should be constructed of a strong hardwood like oak, in order to prevent any differential movement between new and existing work.

To alleviate this issue to reduce the risk of this happening, there are several companies that make Boston pattern wooden sash that will fit into the majority of existing openings. These sash come in various sizes and finishes that meet the requirements of modern homeowners. The new sash, combined with quadruple draft strip and a better thermal insulation, can significantly improve the efficiency of a home's energy use.

Aesthetics

Many old wooden windows Cambridge windows have an excellent aesthetic value as they often show, in a particular way the materials and techniques and architectural style of the time from which they date. They may have significant historical value on their own. This is especially true of early windows that were not glazed in timber-framed structures, where the great majority were simply a series of openings in the structural frame sub-divided horizontally into mullions and wood or iron bars to deter intrusions.

Traditional window doctor near me joinery made from timber can be a stunning aspect of a building, and is crucial to maintain its appearance. When you spot any signs of decay caused by moisture penetration it is essential to stop it. It is best to do this with thorough painting, especially if there is damage or degradation. It is recommended to use paints that are designed to be used as part of the system (primer, undercoat and finish) and to follow the manufacturer's recommendations in relation to preparation and the number of coats required at each stage.

Wet rot is a typical problem for old timber windows and the best method to stop it from developing is to remove sections that are damaged or rotten immediately to stop the spread of the fungus responsible for it. Replace rotting wood with slow-grown deal (pine) and, should it be possible, the same kind of timber that is being removed, to avoid any differential movement.

Glass became more affordable and abundant during the late medieval period and into the 17th century. In the process, the glazed openings in timber-framed homes were more elaborate, with moulded mullions and traceries, made of wood and deep projecting cills. In recent times, glass was pinned into frames that were rebated using glazing sprigs instead of lead cames. This method of glazing not only makes windows less likely to leak and also allows wider sheets of clearer glass to be used than would have been feasible without the use of leaded lights.

Energy efficiency

The traditional timber windows are energy efficient because of their thickness and multilayer construction as well as attention to particulars. The large glass areas, the deep projecting cills and large glazing areas minimize air infiltration. With secondary double glazing repairs cambridge and draught proofing, windows can be made more efficient to improve their energy efficiency. However it is essential to keep in mind that these measures should be viewed in terms of the overall quality and appearance of the window in its original form.

As a result, retaining old windows that require repair rather than replacing them is sensible particularly when thermal improvements can be achieved economically through simple repairs and upgrades. Historic windows are often of historical value, as they show a range in technological advancements and changes to architectural style. The pressure to replace these windows are typically based on the assumption that old windows will need replacement in the near future, however the majority of them are capable of providing service for 150, 200 and even 250 years, if properly maintained.

It is important to recognize that decay issues with traditional timber windows can be preventable by quick and thorough repairs. In addition it is crucial to spot damp penetration issues and fix them promptly to avoid serious damage. Early paint deterioration could be a problem as it allows moisture to get into the wood, causing wet rot. It is not uncommon for this type of damage to go unnoticed until the paintwork starts to crack or turn wavy. However, it can cause structural damage and lead to further decay.

A high-quality paint will stop this moisture from entering. To prevent mould and condensation, it is important to keep the paintwork as clean as possible. Modern synthetic paints are problematic because they are often water-resistant and may cause mildew to develop within the plastic window repair frame.

The majority of windows from the past were constructed from timber with the majority of sapwood. These timbers are susceptible to deterioration rapidly if exposed to wet weather conditions, but they can be preserved with a thorough treatment of preservative before they are put to use. It is important to choose the right type of wood for the site and climate, as these variables can affect the longevity of the joinery. Local window manufacturers have various types of sash made from timber that can be adapted to fit historical openings. They are available in the standard Boston pattern or in custom sizes to suit historic structures.

Maintenance

The lifespan of windows made of timber can be extended through regular inspections carefully redecoration, and timely repair. The major cause of decay is moisture leaking through deteriorated paint or putty. This can be avoided by thorough painting and using high-quality wood preservative.

It is essential that repairs to the old sash and casement windows are properly executed, and carried out with minimal disruption. It is possible to repair several traditional designs of timber windows without having to remove the frame. This should be done as often as is feasible. Remove loose or peeling paint and lightly sand the surface to improve the 'key" of the surface. This will enable the new coating to adhere better. It is important to not remove old paint layers, which may have historical value.

If a piece of timber has become rotten the best course of action is to eliminate the rotten material and replace it with spliced-in inserts that are shaped to fit the existing profiles. The wood that is being inserted should be treated with wood preservative, and the junction between the cill for timber and the sub-cill of the masonry should be sealed.

It can be tempting to replace traditional windows with PVC u, particularly if the installer offers an installation that includes both removal and replacement in one day. It is crucial that installers of replacement windows are aware of the history and construction of traditional timber frames. This will enable them to make the appropriate suggestions for energy efficiency improvements and other technological upgrades that won't harm the historical character of a building. The window installers who provide replacement windows must be registered with a Competent Persons Scheme like FENSA. This will ensure that the replacements are deemed to be approved under Building Regulations as a suitable alternative. A skilled carpenter can put in PVC-u windows that are suited to original building's character. This is particularly relevant when windows are in listed buildings or conservation areas.